aa20a614048afa629afa35dd4d34ab542b6f30007f100aff9de8ce1f0e26b186

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 07:53

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General

Target

2024-09-14_9f676204f2c2a3cd7a6fb6cf1737b4fd_cryptolocker.exe
Size

64KB
MD5

9f676204f2c2a3cd7a6fb6cf1737b4fd
SHA1

9718a930a6ca85712568c2f643bad2d62e97ab82
SHA256

aa20a614048afa629afa35dd4d34ab542b6f30007f100aff9de8ce1f0e26b186
SHA512

2c846d1288398eba76cbf687ecefe98ae8f63a2061908a11f4f95fecfc23f8530d3b69ef92faf2cac1bb96196a25d1cade2042b7f51a2e377ebf6f7fe08cc3ba
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zKH:0j+soPSMOtEvwDpjwizbR9XwzS

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2360	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2148	2024-09-14_9f676204f2c2a3cd7a6fb6cf1737b4fd_cryptolocker.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2148-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0007000000012117-11.dat	upx
behavioral1/memory/2148-14-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2360-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2360-26-0x0000000000500000-0x0000000000510000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-14_9f676204f2c2a3cd7a6fb6cf1737b4fd_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2360	2148	2024-09-14_9f676204f2c2a3cd7a6fb6cf1737b4fd_cryptolocker.exe	30
PID 2148 wrote to memory of 2360	2148	2024-09-14_9f676204f2c2a3cd7a6fb6cf1737b4fd_cryptolocker.exe	30
PID 2148 wrote to memory of 2360	2148	2024-09-14_9f676204f2c2a3cd7a6fb6cf1737b4fd_cryptolocker.exe	30
PID 2148 wrote to memory of 2360	2148	2024-09-14_9f676204f2c2a3cd7a6fb6cf1737b4fd_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-14_9f676204f2c2a3cd7a6fb6cf1737b4fd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-14_9f676204f2c2a3cd7a6fb6cf1737b4fd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
64KB

MD5
9b7dc0c1b8c3e88eeaad08ea49a11cba

SHA1
3e3f833fcdafb35a3f5ee4163f12d4e2f4434ec7

SHA256
9af513194dff1750d2fb2a149c98addd9d816aed3d9052679d64b605ad8ba567

SHA512
8f2bb68c77c91ba167db00142e6f7c6e0d363d37f4c263035fc5430ca4dbda41178717ad34a63defef77df1f327b9ec4fbf11b81a94a90868f24a1a68170baa7

Download Submit
memory/2148-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2148-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2148-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2148-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2148-14-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2360-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2360-19-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2360-18-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2360-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download